MXCFB_WAIT_FOR_VSYNC: timeout 0

janefang — Fri, 07 Jul 2017 07:39:02 GMT

Hello NXP experts,

Currently I meet a problem that Android hanged on MXCFB_WAIT_FOR_VSYNC: timeout 0, which cause LCD no display. When I reboot the sytem, it could work wells. This happens 1 of 3 times. attached is the whole log. Can you please give some suggestions on this issue? thanks.

init: Starting service 'zygote'...
init: Starting service 'gatekeeperd'...
init: cannot find '/system/xbin/perfprofd', disabling 'perfprofd'
capability: warning: `daemonsu' uses 32-bit capabilities (legacy support in use)
init: Service 'tfsroot' (pid 176) exited with status 0
EXT4-fs (mmcblk0p5): re-mounted. Opts: (null)
EXT4-fs (mmcblk0p5): re-mounted. Opts: (null)
EXT4-fs (mmcblk0p5): re-mounted. Opts: (null)
healthd: No charger supplies found
healthd: No battery devices found
EXT4-fs (mmcblk0p5): re-mounted. Opts: (null)
init: Untracked pid 260 exited with status 0
ERROR: v4l2 capture: slave not found!
random: nonblocking pool is initialized
imx-ipuv3 2800000.ipu: WARNING: adapt panel end blank lines
init: Starting service 'bootanim'...
cfg80211: World regulatory domain updated:
cfg80211: DFS Master region: unset
cfg80211:   (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp), (dfs_cac_time)
cfg80211:   (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A)
cfg80211:   (2457000 KHz - 2482000 KHz @ 20000 KHz), (300 mBi, 2000 mBm), (N/A)
cfg80211:   (2474000 KHz - 2494000 KHz @ 20000 KHz), (300 mBi, 2000 mBm), (N/A)
cfg80211:   (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A)
cfg80211:   (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A)
mxc_sdc_fb fb@0: MXCFB_WAIT_FOR_VSYNC: timeout 0
mxc_sdc_fb fb@0: MXCFB_WAIT_FOR_VSYNC: timeout 0
mxc_sdc_fb fb@0: timeout when waiting for flip irq
mxc_sdc_fb fb@0: MXCFB_WAIT_FOR_VSYNC: timeout 0
mxc_sdc_fb fb@0: MXCFB_WAIT_FOR_VSYNC: timeout 0
mxc_sdc_fb fb@0: MXCFB_WAIT_FOR_VSYNC: timeout 0
mxc_sdc_fb fb@0: timeout when waiting for flip irq
zram: 503 (system_server) Attribute mem_used_total (and others) will be removed. See zram documentation.
mxc_sdc_fb fb@0: MXCFB_WAIT_FOR_VSYNC: timeout 0
mxc_sdc_fb fb@0: MXCFB_WAIT_FOR_VSYNC: timeout 0

Original Attachment has been moved to: session.log.zip

Re: MXCFB_WAIT_FOR_VSYNC: timeout 0

igorpadykov — Fri, 07 Jul 2017 09:59:26 GMT

Hi Jane

issue may be caused by ipu reset as described on below links

imx6 android 4.3.1 IPU error when system start

imx6q mxc_sdc_fb timeout when waiting for flip irq

usually this happens when using splashscreen, one can look at latest patches on

https://community.freescale.com/docs/DOC-98109

Best regards
igor
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MXCFB_WAIT_FOR_VSYNC: timeout 0

Re: MXCFB_WAIT_FOR_VSYNC: timeout 0